The Hun Sen Cup was the main football knockout tournament in Cambodia. The 2018 Hun Sen Cup was the 12th season of the Hun Sen Cup, the premier knockout tournament for association football clubs in Cambodia involving Cambodian League and provincial teams organized by the Football Federation of Cambodia.
Hun Sen Cup 2018 divided into two stages, regional stage and national stage. 22 teams from the Capital and provinces playing in regional stage. 16 teams playing in national stage, 12 teams from Cambodian League with the last four teams from semi-finals of regional stage.[1]
Regional stage
Group stage
Each group was played on a single round-robin basis at the pre-selected hosts. Mondul Kiri directed to round of 16 due to only one team in Group C. Group winners, runners-up, third places and the best three fourth-placed team advanced to round of 16.